Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in Hemel Hempstead with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
Hertfordshire > Hemel Hempstead
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 17 - 12
Rank change year-on-year - +12 -
Contract jobs citing TDD 1 0 11
As % of all contract IT jobs advertised in Hemel Hempstead 1.09% - 7.48%
As % of the Processes & Methodologies category 1.33% - 9.17%
Number of daily rates quoted 0 0 9
Hemel Hempstead median daily rate - - £500
Hertfordshire median daily rate £388 £525 £500
% change year-on-year -26.19% +5.00% +25.00%
Number of hourly rates quoted 0 0 0
Hemel Hempstead median hourly rate - - -
Hertfordshire median hourly rate - - -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hemel Hempstead with a requirement for process or methodology skills.

All Process and Methodology Skills
Hemel Hempstead
Contract vacancies with a requirement for process or methodology skills 75 72 120
As % of all contract IT jobs advertised in Hemel Hempstead 81.52% 70.59% 81.63%
Number of daily rates quoted 47 55 70
Hemel Hempstead median daily rate £400 £400 £353
Median daily rate % change year-on-year - +13.48% -2.76%
10th Percentile £162 £318 £185
90th Percentile £488 £513 £503
Hertfordshire median daily rate £400 £413 £400
% change year-on-year -3.03% +3.13% +6.67%
Number of hourly rates quoted 1 2 0
Hemel Hempstead median hourly rate £16.00 £18.35 -
Median hourly rate % change year-on-year -12.81% - -
Hertfordshire median hourly rate £19.00 £32.25 £21.00
% change year-on-year -41.09% +53.57% +31.25%

TDD
Job Vacancy Trend in Hemel Hempstead

Job postings citing TDD as a percentage of all IT jobs advertised in Hemel Hempstead.

Job vacancy trend for TDD in Hemel Hempstead

TDD
Contractor Daily Rate Trend in Hemel Hempstead

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Hemel Hempstead.

Contractor daily rate trend for TDD in Hemel Hempstead

For the 6 months to 23 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hemel Hempstead region with a requirement for TDD.

1 1 (100.00%) Java
1 1 (100.00%) MySQL
1 1 (100.00%) Hibernate
1 1 (100.00%) Spring
1 1 (100.00%) Android
1 1 (100.00%) BDD
1 1 (100.00%) Redis
1 1 (100.00%) Android Development
1 1 (100.00%) Docker
1 1 (100.00%) Microservices
1 1 (100.00%) Spring Boot
1 1 (100.00%) Amazon Aurora

TDD
Co-occurring IT Skills in Hemel Hempstead by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Database & Business Intelligence
1 1 (100.00%) Amazon Aurora
1 1 (100.00%) MySQL
1 1 (100.00%) Redis
Job Titles
1 1 (100.00%) Applications Developer
1 1 (100.00%) Developer
1 1 (100.00%) Java Applications Developer
1 1 (100.00%) Java Developer
1 1 (100.00%) Senior Applications Developer
1 1 (100.00%) Senior Developer
1 1 (100.00%) Senior Java Applications Developer
1 1 (100.00%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) Hibernate
1 1 (100.00%) Spring
1 1 (100.00%) Spring Boot
Operating Systems
1 1 (100.00%) Android
Processes & Methodologies
1 1 (100.00%) Android Development
1 1 (100.00%) BDD
1 1 (100.00%) Microservices
Programming Languages
1 1 (100.00%) Java
System Software
1 1 (100.00%) Docker